IT1054548B - PROCESS FOR THE PREPARATION OF WATER-SOLUBLE AZO DYES - Google Patents

PROCESS FOR THE PREPARATION OF WATER-SOLUBLE AZO DYES

Info

Publication number
IT1054548B
IT1054548B IT19689/76A IT1968976A IT1054548B IT 1054548 B IT1054548 B IT 1054548B IT 19689/76 A IT19689/76 A IT 19689/76A IT 1968976 A IT1968976 A IT 1968976A IT 1054548 B IT1054548 B IT 1054548B
Authority
IT
Italy
Prior art keywords
preparation
water
azo dyes
soluble azo
soluble
Prior art date
Application number
IT19689/76A
Other languages
Italian (it)
Original Assignee
Hoechst Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of IT1054548B publication Critical patent/IT1054548B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
    • C09B67/0072—Preparations with anionic dyes or reactive dyes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/006—Special methods of performing the coupling reaction characterised by process features
    • C09B41/009—Diazotising and coupling in one step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coloring (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT19689/76A 1975-01-30 1976-01-28 PROCESS FOR THE PREPARATION OF WATER-SOLUBLE AZO DYES IT1054548B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2503714A DE2503714C3 (en) 1975-01-30 1975-01-30 Process for the preparation of water-soluble azo dyes

Publications (1)

Publication Number Publication Date
IT1054548B true IT1054548B (en) 1981-11-30

Family

ID=5937634

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19689/76A IT1054548B (en) 1975-01-30 1976-01-28 PROCESS FOR THE PREPARATION OF WATER-SOLUBLE AZO DYES

Country Status (12)

Country Link
US (1) US4035350A (en)
JP (1) JPS5910394B2 (en)
BE (1) BE838094A (en)
BR (1) BR7600563A (en)
CA (1) CA1063598A (en)
CH (1) CH589120A5 (en)
CS (1) CS194738B2 (en)
DE (1) DE2503714C3 (en)
FR (1) FR2299381A1 (en)
GB (1) GB1539622A (en)
IN (1) IN144344B (en)
IT (1) IT1054548B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2451257C3 (en) * 1974-10-29 1979-05-10 Bayer Ag, 5090 Leverkusen Process for the preparation of concentrated dye solutions and processes for dyeing
US4118184A (en) * 1975-07-03 1978-10-03 Hoechst Aktiengesellschaft Stable liquid aqueous composition of a water-soluble fiber-reactive azo dyestuff, containing a buffer substance, the dyestuff having been prepared by diazotization with a nitrite and coupling in the absence of acid
DE2607122C2 (en) * 1976-02-21 1983-10-27 Bayer Ag, 5090 Leverkusen Process for the production of azo dyes
DE2656503C2 (en) * 1976-12-14 1986-02-13 Hoechst Ag, 6230 Frankfurt Water-soluble dyeing preparations for the production of anionic azo dyes and their use for dyeing and printing
LU78014A1 (en) * 1977-08-23 1979-05-23 Ciba Geigy Ag NEW AZO DYES, METHODS FOR THEIR PRODUCTION AND THEIR USE
DE2740846A1 (en) * 1977-09-10 1979-03-22 Bayer Ag HYDRO-SOLUBLE MONOAZO DYES
DE3101140A1 (en) * 1981-01-16 1982-09-02 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING SOLUTIONS OF CATIONIC AZO DYES
US4448583A (en) * 1983-02-22 1984-05-15 American Hoechst Corporation Stable aqueous liquid composition of reactive dyes containing β-sulfatoethylsulfonyl groups
DE3602524A1 (en) * 1986-01-29 1987-07-30 Bayer Ag METHOD FOR PRODUCING CONCENTRATED SOLUTIONS OF ANIONIC DYES
CH675425A5 (en) * 1988-08-24 1990-09-28 Ciba Geigy Ag
DE19621840A1 (en) * 1996-05-31 1997-12-04 Basf Ag Process for the preparation of phenylazonaphthalenes
IN192574B (en) * 1996-08-08 2004-05-01 Dainippon Ink & Chemicals
US6566507B2 (en) 2000-08-03 2003-05-20 Ciba Specialty Chemicals Corporation Processes for the preparation of benzotriazole UV absorbers
KR20050044696A (en) * 2001-12-05 2005-05-12 시바 스페셜티 케미칼스 홀딩 인크. Organic solvent-free process for the preparation of 2-(2-nitrophenylazo)phenols
CN107382411A (en) * 2017-07-07 2017-11-24 湖北得力新材料有限公司 A kind of method of the comprehensive utilization of spent acid containing potassium caused by sulfonation para-ester or the production of G salt

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3793305A (en) * 1970-09-14 1974-02-19 Du Pont One-step process of preparing azo dyes by simultaneous diazotization

Also Published As

Publication number Publication date
GB1539622A (en) 1979-01-31
CA1063598A (en) 1979-10-02
FR2299381A1 (en) 1976-08-27
CS194738B2 (en) 1979-12-31
JPS5910394B2 (en) 1984-03-08
IN144344B (en) 1978-04-29
US4035350A (en) 1977-07-12
JPS51101027A (en) 1976-09-07
DE2503714C3 (en) 1978-05-03
BE838094A (en) 1976-07-30
DE2503714A1 (en) 1976-08-05
BR7600563A (en) 1976-08-31
CH589120A5 (en) 1977-06-30
DE2503714B2 (en) 1977-08-11

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